INGREDIENTS
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1Â 1/2 pounds carrots, peeled, halved lengthwise, cut into 4-inch pieces
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1Â 1/2 pounds parsnips, peeled, cut into 4-inch pieces
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2 tablespoons olive oil
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Kosher salt, freshly ground pepper
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 1/4 medium onion, finely chopped
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4 tablespoons unsalted butter, cut into pieces
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 1/4 cup bourbon
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3 tablespoons dark brown sugar